The sample for this study was 17,877 patients which were scheduled for ambulatory surgery. Two hundred thirty-nine patients were excluded as an effect of surgery cancellation or partial data; consequently, 17,638 patients were included. This study was conducted to all ambulatory surgical outpatients with ASA physical status I–III aged >12 year. This study aimed to identify if patient characteristics, surgical factors, or the development of adverse events had the most significant effect on time to discharge, as well as wanted to assess the impact of hypothetically eliminating intraoperative and postoperative adverse events on the mean length of postoperative stay among patients receiving general anesthesia (GA) and monitored anesthesia care
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The mean age was 34+ 13 years and 67+ 16 years for patients receiving GA and MAC, respectively. Most of the patients were healthy: 98% and 75% of the patients getting GA and MAC, correspondingly, were ASA physical status I or II. Obesity, smoking, and hypertension were the most commonly occurring medical conditions, in that order occurring in 15.9%, 14.2%, and 13.8% of the patients. The anesthetic used for induction was Propofol, which was used in 97% of patients receiving GA. Fentanyl was given for 74%, alfentanil for 22%, midazolam for 23%, inhaled anesthetic (other than nitrous oxide) for 51%, and muscle relaxant for 20% of patients receiving GA. Of the patients receiving MAC, 94% received midazolam, 58% received fentanyl, 57% received propofol, and 22% received alfentanil. Most of the patients receiving GA (91%) underwent gynecologic, orthopedic, or ophthalmologic processes. Of the gynecologic techniques in patients receiving GA, 84% were dilation and curettage for abortion or diagnostic reasons. Most of the orthopedic processes in patients receiving GA were knee (68%) or shoulder (15%) arthroscopy, and 88% of the ophthalmologic processes were strabismus surgery. The neurosurgical processes were mostly carpal tunnel release and other nerve decompressions, and most of the plastic surgical operations were hand or skin procedures. More than half of general surgical processes were breast-related processes, and most of the urologic processes were transurethral techniques. Most patients receiving MAC (92%) underwent ophthalmologic surgery, mainly cataract removal (81%). The neurosurgical processes, the second most common procedures under MAC (3.3%), were carpal tunnel release and nerve decompressions. The most common intraoperative adversative
The mean age was 34+ 13 years and 67+ 16 years for patients receiving GA and MAC, respectively. Most of the patients were healthy: 98% and 75% of the patients getting GA and MAC, correspondingly, were ASA physical status I or II. Obesity, smoking, and hypertension were the most commonly occurring medical conditions, in that order occurring in 15.9%, 14.2%, and 13.8% of the patients. The anesthetic used for induction was Propofol, which was used in 97% of patients receiving GA. Fentanyl was given for 74%, alfentanil for 22%, midazolam for 23%, inhaled anesthetic (other than nitrous oxide) for 51%, and muscle relaxant for 20% of patients receiving GA. Of the patients receiving MAC, 94% received midazolam, 58% received fentanyl, 57% received propofol, and 22% received alfentanil. Most of the patients receiving GA (91%) underwent gynecologic, orthopedic, or ophthalmologic processes. Of the gynecologic techniques in patients receiving GA, 84% were dilation and curettage for abortion or diagnostic reasons. Most of the orthopedic processes in patients receiving GA were knee (68%) or shoulder (15%) arthroscopy, and 88% of the ophthalmologic processes were strabismus surgery. The neurosurgical processes were mostly carpal tunnel release and other nerve decompressions, and most of the plastic surgical operations were hand or skin procedures. More than half of general surgical processes were breast-related processes, and most of the urologic processes were transurethral techniques. Most patients receiving MAC (92%) underwent ophthalmologic surgery, mainly cataract removal (81%). The neurosurgical processes, the second most common procedures under MAC (3.3%), were carpal tunnel release and nerve decompressions. The most common intraoperative adversative